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Get call control, CD-quality sound and clear conversations, all wirelessly from one lightweight, folding Bluetooth® headset. A wired connection is available for in-flight use and charging options are flexible.
The MM 400-X is a state-of-the-art Stereo Bluetooth headset for multimedia-capable mobile phones, now supporting the hi-fi Apt-X codec!
With one press of a button, you can quickly switch between calls and music delivered in superb stereo sound. The invisible high-performance microphone ensures that conversations are clear, making this headset the perfect all-in-one sound solution for your digital lifestyle.
Using a closed, on-the-ear design to block ambient noise, the MM 400 is an ideal companion for the urban commuter or frequent traveller. Advanced DuoFol transducers provide the kind of detail and frequency response you would expect out of hi-fidelity audiophile speakers. The easy-to-use control panel is intuitive and simple enough to operate with your eyes closed - a common way of enjoying Sennheiser's world-famous sound quality.
The MM 400-X folds up for the ultimate in portability. The replaceable battery charges via USB or a wall adapter. For situations where Bluetooth is not permitted, you can use the included audio cable for a direct connection - making the MM 400-X an extremely capable wired headphone as well.